Dredgen is pretty much confirmed a Hunter, what with his cloak benign obtainable and his Rose being a Hunter Artifact. Praedyth succumbed to the Oracles, becoming stuck in a time loop in the process. Dunno. Crota's room is called the Oversoul Throne now or something. The House of Judgement was an actual House, but they had scribes who stayed with and corralled other Houses, reporting back to the Judgement.